On 30/09/2013 10:14 AM, Morrie Wyatt wrote:
> The first thing to do is to confirm that the UUID and device nodes match up.
> 
> ls -l /dev/disk/by-uuid should give you a list of UUIDs and show the path
> to the matching device node (example on next line)
> 
> lrwxrwxrwx 1 root root  9 Sep 26 23:28 
> d7740eca-4100-41af-848d-b17aff55fe2d -> ../../sda1

An easier way to do that is:

blkid -c /dev/null

The -c uses a cache of /dev/null, that is, [to the tool/OS] don't rely
on what you think you know, go and check it all and report current state
of each partition.

If there was a mirror [or other mdadm raid device] involved, then it
would need to be made active to see it's UUID details.  Similar for
activation of lvm2.

Cheers
A.


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